Hengtong Electric Co.,Ltd. was set up in 1994, which is regard as one of the specialists for industrial plugs, socket-outlets and combination of distribution board system manufacture in Zhejiang. The company has R&D, Quality control, Mold design and manufacture center, Plastic injection, Brass alloy part manufacture, Assembly, main six departments, etc. The main products have: industrial plugs, sockets, couplers, MCB enclosures, distribution boxes and insulation piercing clamps.HTN series industrial plugs and sockets are strict to make according to IEC60309-1, IEC60309-2, and they also in compliance with GB11918, GB11919. and these products have passed CB test approval and have owned “S” certification by ETL SEMKO. HENGTONG ELECTRIC owns good hardware resources and effective control model in management, has obtained the ISO9001:2000 quality management system approval in 2001 year. HENGTONG ELECTRIC has based on the principle of high business trustworthiness and good manufacture quality to providing good products and high-quality service for you.